Roger Hargreaves is the author of the Mr Men and Little Miss children's book series. The Mr Men series began in 1971, and now consists of 46 books published in English. The Little Miss series began in 1981, and is comprised of 33 books published in English. After Hargreaves' death in 1988, his son, Adam Hargreaves, began writing and illustrating new stories involving the Mr. Men and Little Miss characters, including the creation of ten new characters, four of which were inspired by work Roger Hargreaves had produced before his death.